We recently caught up with celeb trainer extraordinaire Amy Rosoff Davis - the mastermind behind Selena Gomez's fitness routine (particularly during her Revival tour). As one of the fitness geniuses behind some of Hollywood's strongest women, we had one very important question to ask Amy: what's your go-to ab move?
Related:Selena Gomez's Diet and Fitness Routine Is Basically Perfect
"You can't go wrong with a plank," Amy told POPSUGAR. "There are so many different plank ... read more